drivers/net/ethernet/qlogic/qed/qed_vf.c

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015 QLogic Corporation
   3  *
   4  * This software is available under the terms of the GNU General Public License
   5  * (GPL) Version 2, available from the file COPYING in the main directory of
   6  * this source tree.
   7  */
   8
   9 #include <linux/crc32.h>
  10 #include <linux/etherdevice.h>
  11 #include "qed.h"
  12 #include "qed_sriov.h"
  13 #include "qed_vf.h"
  14
  15 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
  16 {
  17         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
  18         void *p_tlv;
  19
  20         /* This lock is released when we receive PF's response
  21          * in qed_send_msg2pf().
  22          * So, qed_vf_pf_prep() and qed_send_msg2pf()
  23          * must come in sequence.
  24          */
  25         mutex_lock(&(p_iov->mutex));
  26
  27         DP_VERBOSE(p_hwfn,
  28                    QED_MSG_IOV,
  29                    "preparing to send 0x%04x tlv over vf pf channel\n",
  30                    type);
  31
  32         /* Reset Requst offset */
  33         p_iov->offset = (u8 *)p_iov->vf2pf_request;
  34
  35         /* Clear mailbox - both request and reply */
  36         memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
  37         memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
  38
  39         /* Init type and length */
  40         p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
  41
  42         /* Init first tlv header */
  43         ((struct vfpf_first_tlv *)p_tlv)->reply_address =
  44             (u64)p_iov->pf2vf_reply_phys;
  45
  46         return p_tlv;
  47 }
  48
  49 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
  50 {
  51         union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
  52         struct ustorm_trigger_vf_zone trigger;
  53         struct ustorm_vf_zone *zone_data;
  54         int rc = 0, time = 100;
  55
  56         zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
  57
  58         /* output tlvs list */
  59         qed_dp_tlv_list(p_hwfn, p_req);
  60
  61         /* need to add the END TLV to the message size */
  62         resp_size += sizeof(struct channel_list_end_tlv);
  63
  64         /* Send TLVs over HW channel */
  65         memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
  66         trigger.vf_pf_msg_valid = 1;
  67
  68         DP_VERBOSE(p_hwfn,
  69                    QED_MSG_IOV,
  70                    "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
  71                    GET_FIELD(p_hwfn->hw_info.concrete_fid,
  72                              PXP_CONCRETE_FID_PFID),
  73                    upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
  74                    lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
  75                    &zone_data->non_trigger.vf_pf_msg_addr,
  76                    *((u32 *)&trigger), &zone_data->trigger);
  77
  78         REG_WR(p_hwfn,
  79                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
  80                lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
  81
  82         REG_WR(p_hwfn,
  83                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
  84                upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
  85
  86         /* The message data must be written first, to prevent trigger before
  87          * data is written.
  88          */
  89         wmb();
  90
  91         REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
  92
  93         /* When PF would be done with the response, it would write back to the
  94          * `done' address. Poll until then.
  95          */
  96         while ((!*done) && time) {
  97                 msleep(25);
  98                 time--;
  99         }
 100
 101         if (!*done) {
 102                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 103                            "VF <-- PF Timeout [Type %d]\n",
 104                            p_req->first_tlv.tl.type);
 105                 rc = -EBUSY;
 106                 goto exit;
 107         } else {
 108                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 109                            "PF response: %d [Type %d]\n",
 110                            *done, p_req->first_tlv.tl.type);
 111         }
 112
 113 exit:
 114         mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
 115
 116         return rc;
 117 }
 118
 119 #define VF_ACQUIRE_THRESH 3
 120 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
 121                                           struct vf_pf_resc_request *p_req,
 122                                           struct pf_vf_resc *p_resp)
 123 {
 124         DP_VERBOSE(p_hwfn,
 125                    QED_MSG_IOV,
 126                    "PF unwilling to fullill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]. Try PF recommended amount\n",
 127                    p_req->num_rxqs,
 128                    p_resp->num_rxqs,
 129                    p_req->num_rxqs,
 130                    p_resp->num_txqs,
 131                    p_req->num_sbs,
 132                    p_resp->num_sbs,
 133                    p_req->num_mac_filters,
 134                    p_resp->num_mac_filters,
 135                    p_req->num_vlan_filters,
 136                    p_resp->num_vlan_filters,
 137                    p_req->num_mc_filters, p_resp->num_mc_filters);
 138
 139         /* humble our request */
 140         p_req->num_txqs = p_resp->num_txqs;
 141         p_req->num_rxqs = p_resp->num_rxqs;
 142         p_req->num_sbs = p_resp->num_sbs;
 143         p_req->num_mac_filters = p_resp->num_mac_filters;
 144         p_req->num_vlan_filters = p_resp->num_vlan_filters;
 145         p_req->num_mc_filters = p_resp->num_mc_filters;
 146 }
 147
 148 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
 149 {
 150         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 151         struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
 152         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
 153         struct vf_pf_resc_request *p_resc;
 154         bool resources_acquired = false;
 155         struct vfpf_acquire_tlv *req;
 156         int rc = 0, attempts = 0;
 157
 158         /* clear mailbox and prep first tlv */
 159         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
 160         p_resc = &req->resc_request;
 161
 162         /* starting filling the request */
 163         req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
 164
 165         p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
 166         p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
 167         p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
 168         p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 169         p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 170
 171         req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
 172         req->vfdev_info.fw_major = FW_MAJOR_VERSION;
 173         req->vfdev_info.fw_minor = FW_MINOR_VERSION;
 174         req->vfdev_info.fw_revision = FW_REVISION_VERSION;
 175         req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
 176         req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
 177         req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
 178
 179         /* Fill capability field with any non-deprecated config we support */
 180         req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
 181
 182         /* pf 2 vf bulletin board address */
 183         req->bulletin_addr = p_iov->bulletin.phys;
 184         req->bulletin_size = p_iov->bulletin.size;
 185
 186         /* add list termination tlv */
 187         qed_add_tlv(p_hwfn, &p_iov->offset,
 188                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 189
 190         while (!resources_acquired) {
 191                 DP_VERBOSE(p_hwfn,
 192                            QED_MSG_IOV, "attempting to acquire resources\n");
 193
 194                 /* send acquire request */
 195                 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 196                 if (rc)
 197                         return rc;
 198
 199                 /* copy acquire response from buffer to p_hwfn */
 200                 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
 201
 202                 attempts++;
 203
 204                 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
 205                         /* PF agrees to allocate our resources */
 206                         if (!(resp->pfdev_info.capabilities &
 207                               PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
 208                                 DP_INFO(p_hwfn,
 209                                         "PF is using old incompatible driver; Either downgrade driver or request provider to update hypervisor version\n");
 210                                 return -EINVAL;
 211                         }
 212                         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
 213                         resources_acquired = true;
 214                 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
 215                            attempts < VF_ACQUIRE_THRESH) {
 216                         qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
 217                                                       &resp->resc);
 218
 219                         /* Clear response buffer */
 220                         memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
 221                 } else if ((resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) &&
 222                            pfdev_info->major_fp_hsi &&
 223                            (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
 224                         DP_NOTICE(p_hwfn,
 225                                   "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
 226                                   pfdev_info->major_fp_hsi,
 227                                   pfdev_info->minor_fp_hsi,
 228                                   ETH_HSI_VER_MAJOR,
 229                                   ETH_HSI_VER_MINOR, pfdev_info->major_fp_hsi);
 230                         return -EINVAL;
 231                 } else {
 232                         DP_ERR(p_hwfn,
 233                                "PF returned error %d to VF acquisition request\n",
 234                                resp->hdr.status);
 235                         return -EAGAIN;
 236                 }
 237         }
 238
 239         /* Update bulletin board size with response from PF */
 240         p_iov->bulletin.size = resp->bulletin_size;
 241
 242         /* get HW info */
 243         p_hwfn->cdev->type = resp->pfdev_info.dev_type;
 244         p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
 245
 246         p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
 247
 248         /* Learn of the possibility of CMT */
 249         if (IS_LEAD_HWFN(p_hwfn)) {
 250                 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
 251                         DP_NOTICE(p_hwfn, "100g VF\n");
 252                         p_hwfn->cdev->num_hwfns = 2;
 253                 }
 254         }
 255
 256         if (ETH_HSI_VER_MINOR &&
 257             (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
 258                 DP_INFO(p_hwfn,
 259                         "PF is using older fastpath HSI; %02x.%02x is configured\n",
 260                         ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
 261         }
 262
 263         return 0;
 264 }
 265
 266 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
 267 {
 268         struct qed_vf_iov *p_iov;
 269         u32 reg;
 270
 271         /* Set number of hwfns - might be overriden once leading hwfn learns
 272          * actual configuration from PF.
 273          */
 274         if (IS_LEAD_HWFN(p_hwfn))
 275                 p_hwfn->cdev->num_hwfns = 1;
 276
 277         /* Set the doorbell bar. Assumption: regview is set */
 278         p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
 279                                           PXP_VF_BAR0_START_DQ;
 280
 281         reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
 282         p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
 283
 284         reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
 285         p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
 286
 287         /* Allocate vf sriov info */
 288         p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
 289         if (!p_iov) {
 290                 DP_NOTICE(p_hwfn, "Failed to allocate `struct qed_sriov'\n");
 291                 return -ENOMEM;
 292         }
 293
 294         /* Allocate vf2pf msg */
 295         p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 296                                                   sizeof(union vfpf_tlvs),
 297                                                   &p_iov->vf2pf_request_phys,
 298                                                   GFP_KERNEL);
 299         if (!p_iov->vf2pf_request) {
 300                 DP_NOTICE(p_hwfn,
 301                           "Failed to allocate `vf2pf_request' DMA memory\n");
 302                 goto free_p_iov;
 303         }
 304
 305         p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 306                                                 sizeof(union pfvf_tlvs),
 307                                                 &p_iov->pf2vf_reply_phys,
 308                                                 GFP_KERNEL);
 309         if (!p_iov->pf2vf_reply) {
 310                 DP_NOTICE(p_hwfn,
 311                           "Failed to allocate `pf2vf_reply' DMA memory\n");
 312                 goto free_vf2pf_request;
 313         }
 314
 315         DP_VERBOSE(p_hwfn,
 316                    QED_MSG_IOV,
 317                    "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
 318                    p_iov->vf2pf_request,
 319                    (u64) p_iov->vf2pf_request_phys,
 320                    p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
 321
 322         /* Allocate Bulletin board */
 323         p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
 324         p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 325                                                     p_iov->bulletin.size,
 326                                                     &p_iov->bulletin.phys,
 327                                                     GFP_KERNEL);
 328         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 329                    "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
 330                    p_iov->bulletin.p_virt,
 331                    (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
 332
 333         mutex_init(&p_iov->mutex);
 334
 335         p_hwfn->vf_iov_info = p_iov;
 336
 337         p_hwfn->hw_info.personality = QED_PCI_ETH;
 338
 339         return qed_vf_pf_acquire(p_hwfn);
 340
 341 free_vf2pf_request:
 342         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 343                           sizeof(union vfpf_tlvs),
 344                           p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
 345 free_p_iov:
 346         kfree(p_iov);
 347
 348         return -ENOMEM;
 349 }
 350
 351 int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
 352                         u8 rx_qid,
 353                         u16 sb,
 354                         u8 sb_index,
 355                         u16 bd_max_bytes,
 356                         dma_addr_t bd_chain_phys_addr,
 357                         dma_addr_t cqe_pbl_addr,
 358                         u16 cqe_pbl_size, void __iomem **pp_prod)
 359 {
 360         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 361         struct pfvf_start_queue_resp_tlv *resp;
 362         struct vfpf_start_rxq_tlv *req;
 363         int rc;
 364
 365         /* clear mailbox and prep first tlv */
 366         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
 367
 368         req->rx_qid = rx_qid;
 369         req->cqe_pbl_addr = cqe_pbl_addr;
 370         req->cqe_pbl_size = cqe_pbl_size;
 371         req->rxq_addr = bd_chain_phys_addr;
 372         req->hw_sb = sb;
 373         req->sb_index = sb_index;
 374         req->bd_max_bytes = bd_max_bytes;
 375         req->stat_id = -1;
 376
 377         /* add list termination tlv */
 378         qed_add_tlv(p_hwfn, &p_iov->offset,
 379                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 380
 381         resp = &p_iov->pf2vf_reply->queue_start;
 382         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 383         if (rc)
 384                 return rc;
 385
 386         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 387                 return -EINVAL;
 388
 389         /* Learn the address of the producer from the response */
 390         if (pp_prod) {
 391                 u64 init_prod_val = 0;
 392
 393                 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
 394                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 395                            "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
 396                            rx_qid, *pp_prod, resp->offset);
 397
 398                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
 399                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u64),
 400                                   (u32 *)&init_prod_val);
 401         }
 402
 403         return rc;
 404 }
 405
 406 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, u16 rx_qid, bool cqe_completion)
 407 {
 408         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 409         struct vfpf_stop_rxqs_tlv *req;
 410         struct pfvf_def_resp_tlv *resp;
 411         int rc;
 412
 413         /* clear mailbox and prep first tlv */
 414         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
 415
 416         req->rx_qid = rx_qid;
 417         req->num_rxqs = 1;
 418         req->cqe_completion = cqe_completion;
 419
 420         /* add list termination tlv */
 421         qed_add_tlv(p_hwfn, &p_iov->offset,
 422                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 423
 424         resp = &p_iov->pf2vf_reply->default_resp;
 425         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 426         if (rc)
 427                 return rc;
 428
 429         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 430                 return -EINVAL;
 431
 432         return rc;
 433 }
 434
 435 int qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
 436                         u16 tx_queue_id,
 437                         u16 sb,
 438                         u8 sb_index,
 439                         dma_addr_t pbl_addr,
 440                         u16 pbl_size, void __iomem **pp_doorbell)
 441 {
 442         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 443         struct pfvf_start_queue_resp_tlv *resp;
 444         struct vfpf_start_txq_tlv *req;
 445         int rc;
 446
 447         /* clear mailbox and prep first tlv */
 448         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
 449
 450         req->tx_qid = tx_queue_id;
 451
 452         /* Tx */
 453         req->pbl_addr = pbl_addr;
 454         req->pbl_size = pbl_size;
 455         req->hw_sb = sb;
 456         req->sb_index = sb_index;
 457
 458         /* add list termination tlv */
 459         qed_add_tlv(p_hwfn, &p_iov->offset,
 460                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 461
 462         resp = &p_iov->pf2vf_reply->queue_start;
 463         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 464         if (rc)
 465                 goto exit;
 466
 467         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 468                 rc = -EINVAL;
 469                 goto exit;
 470         }
 471
 472         if (pp_doorbell) {
 473                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
 474
 475                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 476                            "Txq[0x%02x]: doorbell at %p [offset 0x%08x]\n",
 477                            tx_queue_id, *pp_doorbell, resp->offset);
 478         }
 479 exit:
 480
 481         return rc;
 482 }
 483
 484 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, u16 tx_qid)
 485 {
 486         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 487         struct vfpf_stop_txqs_tlv *req;
 488         struct pfvf_def_resp_tlv *resp;
 489         int rc;
 490
 491         /* clear mailbox and prep first tlv */
 492         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
 493
 494         req->tx_qid = tx_qid;
 495         req->num_txqs = 1;
 496
 497         /* add list termination tlv */
 498         qed_add_tlv(p_hwfn, &p_iov->offset,
 499                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 500
 501         resp = &p_iov->pf2vf_reply->default_resp;
 502         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 503         if (rc)
 504                 return rc;
 505
 506         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 507                 return -EINVAL;
 508
 509         return rc;
 510 }
 511
 512 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
 513                           u8 vport_id,
 514                           u16 mtu,
 515                           u8 inner_vlan_removal,
 516                           enum qed_tpa_mode tpa_mode,
 517                           u8 max_buffers_per_cqe, u8 only_untagged)
 518 {
 519         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 520         struct vfpf_vport_start_tlv *req;
 521         struct pfvf_def_resp_tlv *resp;
 522         int rc, i;
 523
 524         /* clear mailbox and prep first tlv */
 525         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
 526
 527         req->mtu = mtu;
 528         req->vport_id = vport_id;
 529         req->inner_vlan_removal = inner_vlan_removal;
 530         req->tpa_mode = tpa_mode;
 531         req->max_buffers_per_cqe = max_buffers_per_cqe;
 532         req->only_untagged = only_untagged;
 533
 534         /* status blocks */
 535         for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++)
 536                 if (p_hwfn->sbs_info[i])
 537                         req->sb_addr[i] = p_hwfn->sbs_info[i]->sb_phys;
 538
 539         /* add list termination tlv */
 540         qed_add_tlv(p_hwfn, &p_iov->offset,
 541                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 542
 543         resp = &p_iov->pf2vf_reply->default_resp;
 544         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 545         if (rc)
 546                 return rc;
 547
 548         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 549                 return -EINVAL;
 550
 551         return rc;
 552 }
 553
 554 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
 555 {
 556         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 557         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
 558         int rc;
 559
 560         /* clear mailbox and prep first tlv */
 561         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
 562                        sizeof(struct vfpf_first_tlv));
 563
 564         /* add list termination tlv */
 565         qed_add_tlv(p_hwfn, &p_iov->offset,
 566                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 567
 568         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 569         if (rc)
 570                 return rc;
 571
 572         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 573                 return -EINVAL;
 574
 575         return rc;
 576 }
 577
 578 static bool
 579 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
 580                                   struct qed_sp_vport_update_params *p_data,
 581                                   u16 tlv)
 582 {
 583         switch (tlv) {
 584         case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
 585                 return !!(p_data->update_vport_active_rx_flg ||
 586                           p_data->update_vport_active_tx_flg);
 587         case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
 588                 return !!p_data->update_tx_switching_flg;
 589         case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
 590                 return !!p_data->update_inner_vlan_removal_flg;
 591         case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
 592                 return !!p_data->update_accept_any_vlan_flg;
 593         case CHANNEL_TLV_VPORT_UPDATE_MCAST:
 594                 return !!p_data->update_approx_mcast_flg;
 595         case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
 596                 return !!(p_data->accept_flags.update_rx_mode_config ||
 597                           p_data->accept_flags.update_tx_mode_config);
 598         case CHANNEL_TLV_VPORT_UPDATE_RSS:
 599                 return !!p_data->rss_params;
 600         case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
 601                 return !!p_data->sge_tpa_params;
 602         default:
 603                 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
 604                         tlv);
 605                 return false;
 606         }
 607 }
 608
 609 static void
 610 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
 611                                   struct qed_sp_vport_update_params *p_data)
 612 {
 613         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 614         struct pfvf_def_resp_tlv *p_resp;
 615         u16 tlv;
 616
 617         for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
 618              tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
 619                 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
 620                         continue;
 621
 622                 p_resp = (struct pfvf_def_resp_tlv *)
 623                          qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
 624                                                   tlv);
 625                 if (p_resp && p_resp->hdr.status)
 626                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 627                                    "TLV[%d] Configuration %s\n",
 628                                    tlv,
 629                                    (p_resp && p_resp->hdr.status) ? "succeeded"
 630                                                                   : "failed");
 631         }
 632 }
 633
 634 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
 635                            struct qed_sp_vport_update_params *p_params)
 636 {
 637         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 638         struct vfpf_vport_update_tlv *req;
 639         struct pfvf_def_resp_tlv *resp;
 640         u8 update_rx, update_tx;
 641         u32 resp_size = 0;
 642         u16 size, tlv;
 643         int rc;
 644
 645         resp = &p_iov->pf2vf_reply->default_resp;
 646         resp_size = sizeof(*resp);
 647
 648         update_rx = p_params->update_vport_active_rx_flg;
 649         update_tx = p_params->update_vport_active_tx_flg;
 650
 651         /* clear mailbox and prep header tlv */
 652         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
 653
 654         /* Prepare extended tlvs */
 655         if (update_rx || update_tx) {
 656                 struct vfpf_vport_update_activate_tlv *p_act_tlv;
 657
 658                 size = sizeof(struct vfpf_vport_update_activate_tlv);
 659                 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
 660                                         CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
 661                                         size);
 662                 resp_size += sizeof(struct pfvf_def_resp_tlv);
 663
 664                 if (update_rx) {
 665                         p_act_tlv->update_rx = update_rx;
 666                         p_act_tlv->active_rx = p_params->vport_active_rx_flg;
 667                 }
 668
 669                 if (update_tx) {
 670                         p_act_tlv->update_tx = update_tx;
 671                         p_act_tlv->active_tx = p_params->vport_active_tx_flg;
 672                 }
 673         }
 674
 675         if (p_params->update_tx_switching_flg) {
 676                 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
 677
 678                 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
 679                 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
 680                 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
 681                                               tlv, size);
 682                 resp_size += sizeof(struct pfvf_def_resp_tlv);
 683
 684                 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
 685         }
 686
 687         if (p_params->update_approx_mcast_flg) {
 688                 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
 689
 690                 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
 691                 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
 692                                           CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
 693                 resp_size += sizeof(struct pfvf_def_resp_tlv);
 694
 695                 memcpy(p_mcast_tlv->bins, p_params->bins,
 696                        sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
 697         }
 698
 699         update_rx = p_params->accept_flags.update_rx_mode_config;
 700         update_tx = p_params->accept_flags.update_tx_mode_config;
 701
 702         if (update_rx || update_tx) {
 703                 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
 704
 705                 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
 706                 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
 707                 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
 708                 resp_size += sizeof(struct pfvf_def_resp_tlv);
 709
 710                 if (update_rx) {
 711                         p_accept_tlv->update_rx_mode = update_rx;
 712                         p_accept_tlv->rx_accept_filter =
 713                             p_params->accept_flags.rx_accept_filter;
 714                 }
 715
 716                 if (update_tx) {
 717                         p_accept_tlv->update_tx_mode = update_tx;
 718                         p_accept_tlv->tx_accept_filter =
 719                             p_params->accept_flags.tx_accept_filter;
 720                 }
 721         }
 722
 723         if (p_params->rss_params) {
 724                 struct qed_rss_params *rss_params = p_params->rss_params;
 725                 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
 726
 727                 size = sizeof(struct vfpf_vport_update_rss_tlv);
 728                 p_rss_tlv = qed_add_tlv(p_hwfn,
 729                                         &p_iov->offset,
 730                                         CHANNEL_TLV_VPORT_UPDATE_RSS, size);
 731                 resp_size += sizeof(struct pfvf_def_resp_tlv);
 732
 733                 if (rss_params->update_rss_config)
 734                         p_rss_tlv->update_rss_flags |=
 735                             VFPF_UPDATE_RSS_CONFIG_FLAG;
 736                 if (rss_params->update_rss_capabilities)
 737                         p_rss_tlv->update_rss_flags |=
 738                             VFPF_UPDATE_RSS_CAPS_FLAG;
 739                 if (rss_params->update_rss_ind_table)
 740                         p_rss_tlv->update_rss_flags |=
 741                             VFPF_UPDATE_RSS_IND_TABLE_FLAG;
 742                 if (rss_params->update_rss_key)
 743                         p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
 744
 745                 p_rss_tlv->rss_enable = rss_params->rss_enable;
 746                 p_rss_tlv->rss_caps = rss_params->rss_caps;
 747                 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
 748                 memcpy(p_rss_tlv->rss_ind_table, rss_params->rss_ind_table,
 749                        sizeof(rss_params->rss_ind_table));
 750                 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
 751                        sizeof(rss_params->rss_key));
 752         }
 753
 754         if (p_params->update_accept_any_vlan_flg) {
 755                 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
 756
 757                 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
 758                 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
 759                 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
 760
 761                 resp_size += sizeof(struct pfvf_def_resp_tlv);
 762                 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
 763                 p_any_vlan_tlv->update_accept_any_vlan_flg =
 764                     p_params->update_accept_any_vlan_flg;
 765         }
 766
 767         /* add list termination tlv */
 768         qed_add_tlv(p_hwfn, &p_iov->offset,
 769                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 770
 771         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
 772         if (rc)
 773                 return rc;
 774
 775         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 776                 return -EINVAL;
 777
 778         qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
 779
 780         return rc;
 781 }
 782
 783 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
 784 {
 785         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 786         struct pfvf_def_resp_tlv *resp;
 787         struct vfpf_first_tlv *req;
 788         int rc;
 789
 790         /* clear mailbox and prep first tlv */
 791         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
 792
 793         /* add list termination tlv */
 794         qed_add_tlv(p_hwfn, &p_iov->offset,
 795                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 796
 797         resp = &p_iov->pf2vf_reply->default_resp;
 798         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 799         if (rc)
 800                 return rc;
 801
 802         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 803                 return -EAGAIN;
 804
 805         p_hwfn->b_int_enabled = 0;
 806
 807         return 0;
 808 }
 809
 810 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
 811 {
 812         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 813         struct pfvf_def_resp_tlv *resp;
 814         struct vfpf_first_tlv *req;
 815         u32 size;
 816         int rc;
 817
 818         /* clear mailbox and prep first tlv */
 819         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
 820
 821         /* add list termination tlv */
 822         qed_add_tlv(p_hwfn, &p_iov->offset,
 823                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 824
 825         resp = &p_iov->pf2vf_reply->default_resp;
 826         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 827
 828         if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
 829                 rc = -EAGAIN;
 830
 831         p_hwfn->b_int_enabled = 0;
 832
 833         if (p_iov->vf2pf_request)
 834                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 835                                   sizeof(union vfpf_tlvs),
 836                                   p_iov->vf2pf_request,
 837                                   p_iov->vf2pf_request_phys);
 838         if (p_iov->pf2vf_reply)
 839                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 840                                   sizeof(union pfvf_tlvs),
 841                                   p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
 842
 843         if (p_iov->bulletin.p_virt) {
 844                 size = sizeof(struct qed_bulletin_content);
 845                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 846                                   size,
 847                                   p_iov->bulletin.p_virt, p_iov->bulletin.phys);
 848         }
 849
 850         kfree(p_hwfn->vf_iov_info);
 851         p_hwfn->vf_iov_info = NULL;
 852
 853         return rc;
 854 }
 855
 856 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
 857                             struct qed_filter_mcast *p_filter_cmd)
 858 {
 859         struct qed_sp_vport_update_params sp_params;
 860         int i;
 861
 862         memset(&sp_params, 0, sizeof(sp_params));
 863         sp_params.update_approx_mcast_flg = 1;
 864
 865         if (p_filter_cmd->opcode == QED_FILTER_ADD) {
 866                 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
 867                         u32 bit;
 868
 869                         bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
 870                         __set_bit(bit, sp_params.bins);
 871                 }
 872         }
 873
 874         qed_vf_pf_vport_update(p_hwfn, &sp_params);
 875 }
 876
 877 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
 878                            struct qed_filter_ucast *p_ucast)
 879 {
 880         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 881         struct vfpf_ucast_filter_tlv *req;
 882         struct pfvf_def_resp_tlv *resp;
 883         int rc;
 884
 885         /* clear mailbox and prep first tlv */
 886         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
 887         req->opcode = (u8) p_ucast->opcode;
 888         req->type = (u8) p_ucast->type;
 889         memcpy(req->mac, p_ucast->mac, ETH_ALEN);
 890         req->vlan = p_ucast->vlan;
 891
 892         /* add list termination tlv */
 893         qed_add_tlv(p_hwfn, &p_iov->offset,
 894                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 895
 896         resp = &p_iov->pf2vf_reply->default_resp;
 897         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 898         if (rc)
 899                 return rc;
 900
 901         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 902                 return -EAGAIN;
 903
 904         return 0;
 905 }
 906
 907 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
 908 {
 909         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 910         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
 911         int rc;
 912
 913         /* clear mailbox and prep first tlv */
 914         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
 915                        sizeof(struct vfpf_first_tlv));
 916
 917         /* add list termination tlv */
 918         qed_add_tlv(p_hwfn, &p_iov->offset,
 919                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 920
 921         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 922         if (rc)
 923                 return rc;
 924
 925         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 926                 return -EINVAL;
 927
 928         return 0;
 929 }
 930
 931 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
 932 {
 933         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 934
 935         if (!p_iov) {
 936                 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
 937                 return 0;
 938         }
 939
 940         return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
 941 }
 942
 943 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
 944 {
 945         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 946         struct qed_bulletin_content shadow;
 947         u32 crc, crc_size;
 948
 949         crc_size = sizeof(p_iov->bulletin.p_virt->crc);
 950         *p_change = 0;
 951
 952         /* Need to guarantee PF is not in the middle of writing it */
 953         memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
 954
 955         /* If version did not update, no need to do anything */
 956         if (shadow.version == p_iov->bulletin_shadow.version)
 957                 return 0;
 958
 959         /* Verify the bulletin we see is valid */
 960         crc = crc32(0, (u8 *)&shadow + crc_size,
 961                     p_iov->bulletin.size - crc_size);
 962         if (crc != shadow.crc)
 963                 return -EAGAIN;
 964
 965         /* Set the shadow bulletin and process it */
 966         memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
 967
 968         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 969                    "Read a bulletin update %08x\n", shadow.version);
 970
 971         *p_change = 1;
 972
 973         return 0;
 974 }
 975
 976 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
 977                               struct qed_mcp_link_params *p_params,
 978                               struct qed_bulletin_content *p_bulletin)
 979 {
 980         memset(p_params, 0, sizeof(*p_params));
 981
 982         p_params->speed.autoneg = p_bulletin->req_autoneg;
 983         p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
 984         p_params->speed.forced_speed = p_bulletin->req_forced_speed;
 985         p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
 986         p_params->pause.forced_rx = p_bulletin->req_forced_rx;
 987         p_params->pause.forced_tx = p_bulletin->req_forced_tx;
 988         p_params->loopback_mode = p_bulletin->req_loopback;
 989 }
 990
 991 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
 992                             struct qed_mcp_link_params *params)
 993 {
 994         __qed_vf_get_link_params(p_hwfn, params,
 995                                  &(p_hwfn->vf_iov_info->bulletin_shadow));
 996 }
 997
 998 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
 999                              struct qed_mcp_link_state *p_link,
1000                              struct qed_bulletin_content *p_bulletin)
1001 {
1002         memset(p_link, 0, sizeof(*p_link));
1003
1004         p_link->link_up = p_bulletin->link_up;
1005         p_link->speed = p_bulletin->speed;
1006         p_link->full_duplex = p_bulletin->full_duplex;
1007         p_link->an = p_bulletin->autoneg;
1008         p_link->an_complete = p_bulletin->autoneg_complete;
1009         p_link->parallel_detection = p_bulletin->parallel_detection;
1010         p_link->pfc_enabled = p_bulletin->pfc_enabled;
1011         p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1012         p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1013         p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1014         p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1015         p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1016 }
1017
1018 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1019                            struct qed_mcp_link_state *link)
1020 {
1021         __qed_vf_get_link_state(p_hwfn, link,
1022                                 &(p_hwfn->vf_iov_info->bulletin_shadow));
1023 }
1024
1025 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1026                             struct qed_mcp_link_capabilities *p_link_caps,
1027                             struct qed_bulletin_content *p_bulletin)
1028 {
1029         memset(p_link_caps, 0, sizeof(*p_link_caps));
1030         p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1031 }
1032
1033 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1034                           struct qed_mcp_link_capabilities *p_link_caps)
1035 {
1036         __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1037                                &(p_hwfn->vf_iov_info->bulletin_shadow));
1038 }
1039
1040 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1041 {
1042         *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1043 }
1044
1045 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1046 {
1047         memcpy(port_mac,
1048                p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1049 }
1050
1051 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1052 {
1053         struct qed_vf_iov *p_vf;
1054
1055         p_vf = p_hwfn->vf_iov_info;
1056         *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1057 }
1058
1059 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1060 {
1061         struct qed_bulletin_content *bulletin;
1062
1063         bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1064         if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1065                 return true;
1066
1067         /* Forbid VF from changing a MAC enforced by PF */
1068         if (ether_addr_equal(bulletin->mac, mac))
1069                 return false;
1070
1071         return false;
1072 }
1073
1074 bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1075                                     u8 *dst_mac, u8 *p_is_forced)
1076 {
1077         struct qed_bulletin_content *bulletin;
1078
1079         bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1080
1081         if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1082                 if (p_is_forced)
1083                         *p_is_forced = 1;
1084         } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1085                 if (p_is_forced)
1086                         *p_is_forced = 0;
1087         } else {
1088                 return false;
1089         }
1090
1091         ether_addr_copy(dst_mac, bulletin->mac);
1092
1093         return true;
1094 }
1095
1096 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1097                            u16 *fw_major, u16 *fw_minor,
1098                            u16 *fw_rev, u16 *fw_eng)
1099 {
1100         struct pf_vf_pfdev_info *info;
1101
1102         info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1103
1104         *fw_major = info->fw_major;
1105         *fw_minor = info->fw_minor;
1106         *fw_rev = info->fw_rev;
1107         *fw_eng = info->fw_eng;
1108 }
1109
1110 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1111 {
1112         struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1113         u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1114         void *cookie = hwfn->cdev->ops_cookie;
1115
1116         is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1117                                                       &is_mac_forced);
1118         if (is_mac_exist && is_mac_forced && cookie)
1119                 ops->force_mac(cookie, mac);
1120
1121         /* Always update link configuration according to bulletin */
1122         qed_link_update(hwfn);
1123 }
1124
1125 void qed_iov_vf_task(struct work_struct *work)
1126 {
1127         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1128                                              iov_task.work);
1129         u8 change = 0;
1130
1131         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1132                 return;
1133
1134         /* Handle bulletin board changes */
1135         qed_vf_read_bulletin(hwfn, &change);
1136         if (change)
1137                 qed_handle_bulletin_change(hwfn);
1138
1139         /* As VF is polling bulletin board, need to constantly re-schedule */
1140         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1141 }